PSI MEMBRANE® Thin Film Nanocomposite (TFN)
Loose Nanofiltration or Compact Ultrafiltration Membrane
UNF TFN Series Harnessing cutting-edge Thin Film Nanocomposite (TFN) technology, the UNF series employs nano-level, ultra-thin hydrophilic coatings that significantly enhance anti-fouling capabilities. These advanced membranes achieve flux rates that soar four times above traditional TFC membranes, all while operating at notably reduced pressures-at least 50% lower. They stand as the ideal upgrade from conventional TFC membranes, offering superior performance.
Key features:
Precision at its Best Higher
Delivers multiple precise molecular cuts, each meticulously crafted to align with specific customer demands.
Unmatched Efficiency
Realizes product flow rates that soar up to fourfold compared to leading imported brands, significantly curbing energy demands and slashing project costs.
Superior Selective Separation
Exhibits ultra-high selectivity, expertly excising most colloidal iron, colloidal silicon, humic acid, and a wide range of dissolved organic matter (DOM) while permitting the passage of inorganic single and bivalent ions.
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Key Applications:
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Industrial resource recovery and recycling across sectors like steel & metals, precious metals, chemical, medical, pharmaceutical, food & petrochemical industries.
Water softening
Chlor-alkali processing
Landfill leachate de-coloring
| Product |
Effective Membrane area
ft² (m²) |
Feed spacer thickness
(mil) |
Product Flow Rate¹
²gpd( m³/d) |
Stable Salt Rejection¹
(%) |
| UNF500-8040 |
400(37.2) |
34 |
7400(28.0) |
95 |
| UNF1000-8040 |
400(37.2) |
34 |
7400(28.0) |
95 |
| UNF2000-8040 |
400(37.2) |
34 |
7400(28.0) |
95 |
| UNF3000-8040 |
400(37.2) |
34 |
8000(30.3) |
95 |
| UNF5000-8040 |
400(37.2) |
34 |
16000(60.6) |
95 |
1. For peak performance, both permeate flow rate and stabilized salt rejection are determined under these meticulously verified standard conditions:
NF membrane (2000ppm MgSO4, 0.48 MPa, 25ºC, 15% recovery), RO membrane (2000ppm NaCl solution,
1.55 MPa, 25ºC, 15% recovery) prior to any hot water disinfection.
2. Important: The variation range of permeate flow is +/-15%, with potential fluctuations in final water yield due to
the heat treatment processes involved.
SIZE: mm
| Model |
A |
B |
C |
| 4040 |
1016 |
100.3 |
19.1 |
| 8040 |
1016 |
200 |
28.6 |
Industry Applications
ProshareProshare Innovation Suzhou Co., Ltd. is a beacon of expertise, celebrated for delivering unparalleled technical solutions uniquely designed for the complex industrial sector, especially where the demand for pristinely pure water is indispensable. Our capabilities are unmatched across intricate industrial processes, wastewater treatment and reuse, and resource recycling, setting the standard for excellence.
We are proudly at the forefront of numerous critical industry sectors, including petrochemicals, mining, salt lake lithium extraction, lithium iron phosphate and lithium battery recycling, semiconductors, seawater desalinization, reclaimed water, leachate management, synthetic biology, copper foil production, pharmaceuticals, and power generation industries.
Our expertise spans a vast range of applications such as steam boiler feeding, the food & beverage sector (including mineral water bottling, soft drinks, juices), painting lines, dairies, ice cream manufacturing, laundries, hospitals, textiles, mechanical industries, and steel companies, showcasing our versatility and commitment to excellence.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's unmatched proficiency in desalination technology has notably advanced the field of water desalination for civil usage in hotels and tourist resorts. With the pressing need for a reliable fresh water supply, our sophisticated R.O. sea water or brackish water desalination solutions rise to the occasion, effectively catering to the growing demands of thriving tourist destinations.
Municipal and Civil Use
We are devoted to pioneering scalable and eco-friendly solutions for the efficient treatment of wastewater and effluents. Our robust portfolio, enriched with patented technologies and backed by national-level experts and scientific institutions, guarantees municipalities the utmost compliance with the most stringent health and environmental standards. Driven by a relentless pursuit of excellence, we continuously refine our sanitation systems, guided by real-time, systematic feedback from our field engineers.
Our profound expertise in sewage treatment underpins our ability to assist you in realizing your sustainable development goals. As a leader in sustainability, we offer an extensive suite of solutions including:
Cutting-edge Sanitation technologies.
Innovative Recovery of Reusable Materials from Wastewater.
Farming Applications
The quality of water is essential for optimal animal health and productivity, impacting the growth and performance of cattle, chickens, sheep, and pigs. Ensuring premium water quality is paramount to realizing the desired outcomes in animal husbandry.
Farm water sources are diverse, ranging from water wells to civil water networks, and occasionally rivers or surface sources, each with its unique traits.
Beyond the chlorine-treated civil network water, other sources frequently exhibit elevated levels of dissolved and suspended solids and pathogens. Thus, reverse osmosis technology emerges as the premier method to address these contaminants. It is crucial for farm water, particularly from non-civil sources, to undergo advanced treatment to reduce harmful substances, safeguarding the health and productivity of the livestock.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Historically, the domain of desalination membranes for international luxury cruise ships has been the playground for established global brands. As these ships traverse various waters, the salinity and temperature of the feed water can vary, demanding membranes that are adaptable to diverse conditions. Proshare's advanced membranes ensure consistent water production, aligning with the rigorous needs of ocean-going vessels, despite these challenges.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have set a new benchmark in both exceptional desalination rate and unwavering water production stability. These membranes have surpassed the stringent cruise ship water quality standards, ensuring premium performance for luxury liners.
This extraordinary achievement catalyzed the replacement of existing desalination membranes across three more cruise ships. Proshare's triumph in this endeavor firmly establishes it as the pioneering national brand to secure international luxury cruise ship orders for desalination RO membranes.
AComplete Water Treatment Plant for Generating Ultra-pure Water in the Semiconductor Industry
The demand for electronic-grade ultra-pure water, particularly in the realm of membrane desalination, is exceptionally stringent, with only a select few brands capable of meeting these rigorous standards.
Leveraging Proshare's groundbreaking TFN membrane technology and the TsingXi team's extensive expertise in water treatment, our complete water treatment plant delivers pure water equipment solutions exhibiting superior rejection of salts, boron, and TOC. This system's water production meets the semiconductor industry's exacting water requirements.
This successful outcome paved the way for us to secure the electronic ultra-pure water treatment project from a prominent Japanese listed company.
ProshareTailor-made TFN Special Acid-resistant and High-pressure Membranes for Wastewater Treatment in Petrochemical / Refining, Achieving Truly Zero Liquid Discharge
Proshare Tailor-made TFN special acid-resistant and high-pressure membranes, optimized forwastewater treatment in ammonium sulphate desulphurisation processes, achieved a concentration level up to 40 times with an ammonium sulphate concentration of ≥ 20% in the concentrated water. This significantly reduces energy consumption for subsequent evaporation and crystallization, offering substantial cost savings. The water produced meets the corporate standard Q/SH 0628.2-2014 for circulating water make-up water of China Petroleum and Chemical Corporation, ensuring zero wastewater discharge.
This outstanding result has led to a wave of subsequent orders from other subsidiaries within the group.
This membrane technology is also applicable to other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, including industries like energy, refining, chemical, and metallurgy. The latest advancements in ammonia desulphurization technology, combined with carbon capture, support new energy consumption and the evolution of a green industry chain, aligning with the national 'dual-carbon policy.'
Proshare TFN-SEP Customized NF Membrane Dramatically Boosts Lithium Permeate Rate up to 96.6%, Retention Rate of Mg2+ > 99%, Retention Rate Ca2+ > 98%
Technical Bottlenecksof Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes challenged by membranefouling,lowsElectrical efficiency stands at under 80%, which indicates room for growth and optimization.HighenergyConsumption could constitute roughly 30%-40% of the total operational cost, highlighting an opportunity for cost-saving innovations.ShortMembranelifespan is estimated at 2-3 years, offering a reliable and durable solution for various applications.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane
has demonstrated superiorperformanceData in a key lithiumextraction project situated in thepristine Lakkor Tso Salt Lake , Tibet, China:
Utilizing just a 2-stage Nanofiltrationprocess combined with a 1-stage RO, we achieve production water containing Mg2+ at 2.9mg/L and Ca2+ at 2.25mg/L. The retention rate for Mg2+ is over 99%, while Ca2+ is retained at over 98%. Additionally, the lithiumpermeate rate achieves an impressive 96.6%, with the flux reaching nearly 20LMH under an operating pressure of 1MPa.Our proven membrane technology is both environmentally and economically friendly, significantly enhancing product purity and quality.
ProshareTeam's Quantum Leap in Next-Gen Reverse Osmosis Membrane Technology
ProshareOur expert team has achieved a groundbreaking leap forward with the creation of advanced reverse osmosis membranes. By skillfully leveraging polymer interface nano-self-assembly technology, Proshare has shattered the traditional membrane development barriers with two revolutionary advancements:
Ultra-Thin Separation Layer: By employing the sophisticated realm of polymer interface nanotechnology, our innovators have successfully engineered a separation layer at least threefold thinner than conventional polyamide thin films, previously limited to 100 nm. This revolutionary decrease in thickness exponentially boosts water flux, culminating in a striking enhancement in permeability.
Enhanced Performance: Through the integration of nanoparticles with specialized hydrophilic polymers, Proshare has achieved unprecedented advancements in elevating the membrane's hydrophilicity, anti-fouling capabilities, durability, and oxidation resistance.
In comparison to traditional polyamide reverse osmosis membranes,Proshare's groundbreaking innovation is embodied in breakthroughs across four critical aspects:
Self-Assembled Nanocomposite Films
By integrating nano-scale precision control with nano-doping modification, Proshare paves the way for forming ultra-thin, precisely ordered separation layers through polymer interface nanotechnology. This pioneering approach overcomes the limitations in thickness uniformity and material diversity found in traditional polyamide membranes.
Enhanced Water Flux and Energy Efficiency
Through meticulous optimization of the layer-by-layer self-assembly process, Proshare has precisely regulated the functional layer thickness, achieving an extraordinary 3x reduction compared to traditional membranes. This strategic evolution results in >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Pinnacle Chemical Stability
Departing from polyamide, Proshare utilizes advanced hydrophilic polymers (e.g., modified polysulfones) and ceramic-organic hybrids. These state-of-the-art materials exhibit superior oxidation resistance (withstanding exposure to 10 ppm chlorine) and pH tolerance (stabilizing between the 1-12 pH spectrum).
Advanced Anti-Fouling Surface Engineering
Our ultra-hydrophilic surface, engineered with a contact angle under 10°, augmented by nanoparticle reinforcement, diminishes the likelihood of organic fouling by 50%. This pioneering innovation extends chemical cleaning cycles from 3 to 6 months while significantly reducing maintenance costs by 40%.
Health & Safety Management System Certificate Environmental Management System Certificate ISO 9001 Quality System Certificate Proshare Innovation Suzhou Co., Ltd. stands proudly as a beacon of unparalleled excellence, demonstrating our steadfast dedication to achieving the zenith of industry standards. Our prestigious certifications spotlight a formidable health and safety management system, a profound commitment to environmental preservation, and a steadfast adherence to ISO 9001 quality management standards. This esteemed trifecta not only underscores our forward-thinking approach to holistic management systems but also reinforces our unwavering pledge to deliver products and services of the highest caliber, consistently surpassing expectations.
Invention Patent of Membranes Production Invention Patent of Multi-Layer RO Membrane Utility Model Patent Certificates At Proshare Innovation Suzhou Co., Ltd., innovation transcends being a mere buzzword-it's the cornerstone of our legacy. Our remarkable collection of patents is a shining embodiment of our relentless quest for technological innovation and advancement. From revolutionary breakthroughs in membrane production to the avant-garde development of multi-layer RO membranes, our patents vividly illustrate our leadership at the cutting edge of technology. As pioneers, we are perpetually redefining the industry's future landscape with our inventive vision and ingenious solutions, setting new benchmarks for excellence.
Proshare Innovation SuzhouCo., Ltd. emerges as a luminary in the world of water purification technology. As a prestigious national high-tech enterprise, our commitment to innovation shines through our groundbreaking work in third-generation thin-film nanocomposite (TFN) membranes. These are meticulously crafted for reverse osmosis (RO), nanofiltration (NF), and other vital material separation applications. Since our inception in the dynamic year of 2017, spearheaded by visionary overseas-returned doctoral experts under the esteemed Dr. Lin Xiaofeng-celebrated with national-level talent accolades-Proshare Innovation has proudly established itself as China's sole domestic producer of TFN membranes.
Core Competencies
Technological Innovation: As trailblazers in this domain, we have adeptly integrated TFN technology into nanofiltration membranes, achieving full autonomy in research and development. Our cutting-edge facilities ensure the domestic production of both membranes and related equipment, setting unparalleled industry standards.
Intellectual Property: With an impressive array of over 31 patents, our membrane performance not only meets but exceeds global benchmarks, successfully replacing previously dominant foreign products and establishing new industry paradigms.
Production Capacity: Our operations include a state-of-the-art 2,000 m² R&D facility, complemented by a vast15,000 m² production base, skillfully equipped to satisfy the increasing demand for our innovative offerings.
Funding: With successful closures of Pre-A Round (2023) and A Round (January 2025) financing, robustly supported by Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital, our financial stability and growth trajectory are solidly reinforced.
Market Recognition: Being the go-to supplier for esteemed listed environmental engineering firms and state-owned enterprises exemplifies our market leadership and the unwavering trust our clients bestow upon us.
Leadership:Dr. Lin Xiaofeng, a distinguished Ph.D. graduate from the illustrious University of Strasbourg in France, has been honored with numerous accolades, such as Suzhou Leading Talent and Jiangsu Dual Innovation Talent awards. Under his innovative leadership, the company's R&D pursuits in TFN membrane industrialization continue to make groundbreaking strides.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: We provide comprehensive water treatment solutions that are transforming the industry landscape.
Our state-of-the-art Thin Film Nanocomposite (TFN) membrane sheets, elements, and complete water treatment systems deliver unmatched solutions for customers seeking futuristic technology.
A: Customization capabilities
Our solutions are expertly supported by national specialist teams and the renowned Tsinghua University Suzhou Environmental Innovation, ensuring bespoke solutions for unique customer needs.
A: Guaranteeing exceptional quality and value.
Our premium solutions not only assure excellence,but also provide a remarkable return on investment (ROI) for our clients. We offer thorough training, ongoing support, and comprehensive services, extending our local expertise to the global arena.Our approach is to offer extensive training, robust support, and unmatched services, leveraging our local expertise on the international stage.
A: Partnering with our customers
We derive inspiration from our customers, who tirelessly work to bestow the invaluable gift of clean water. Together, we aim for a world revolutionized by water solutions, ensuring a brighter and more sustainable future for all.
(2) Q: Are you a manufacturer or Trade Company?
A: As a distinguished manufacturer with our very own International Trade Department, we hold an unparalleled understanding of customer requirements and are adept at offering highly competitive pricing solutions.
(3) Q: How's the after-sale service?
A: Our team of dedicated engineers is readily available to deliver on-site service internationally, ensuring a flawless support experience. This is further enhanced by our merchandiser's keen oversight and our expert translation services, providing seamless communication and assistance.
(4) Q: How about the quality?
A: Our uncompromising quality assurance strategy is fortified by procuring primary sub-assemblies and raw materials from the industry's elite companies. Our expert team develops key components in-house, which are crafted on a professional assembly line. Each product undergoes meticulous quality testing to ensure it meets the pinnacle of standards.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Experience unparalleled tranquility with our comprehensive 1-year warranty that aligns with International standards. Our dedicated online support team is available around the clock, ensuring every query you have about our machine is responded to swiftly and proficiently.
(6) Q: Certification?
A: With immense pride, Tsingxi stands as a prestigious company with ISO9001, ISO14001, and ISO45001 certifications. Our products are meticulously engineered to meet the stringent technical standards of 3C and CE, with each product officially certified by the Industry Administration Authority. We are devoted to upholding the pinnacle of quality and safety.Tsingxi continues to diligently pursue its mission of evolving into an even more robust high-tech enterprise in the ever-evolving global water treatment market, consistently setting benchmarks for both innovation and reliability.
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